TB9 BB Lecture 3;How do we decide to act?

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  • Created by: mint75
  • Created on: 02-05-16 16:15

1. What is 'perseveration' shown in patients with DLPFC damage?

  • Cant create rules which generalise across contexts. e.g in Wisconsin card task will always use previously learned rule for sorting
  • Only create generalised rules which are not applied to behaviour, e.g on Wisconsin card task will show random behaviour with a seemingly different rule each time
  • Continue to use previously learned rules not from an inability to switch. e.g in Wisconsin card task will always use previously learned rule for sorting
  • Use a new rule on each trial reflecting an inability to learn. Not from an inability to switch e.g on Wisconsin card task will show random behaviour with a seemingly different rule each time
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Other questions in this quiz

2. Which areas contain representations of sequences of movements?

  • Basal ganglia circuits and premotor areas
  • Premotor and supplementary motor areas
  • Cerebellum and subthalamic areas
  • Spinal cord and subthalamic areas

3. Does damage to the ACC impair Stroop task?

  • No, suggesting ACC involved in motivation
  • Yes, suggesting integral role in conflict resolution

4. Which of these do NOT typically exhibit default mode behaviours?

  • Adults with pre-frontal cortex damage
  • Animals with no or small pre-frontal cortexes
  • Healthy adults
  • Children

5. Which area is activated in cognitive conflict which requires engaging/disengaging executive control systems e.g stroop task?

  • Insula and intraparietal sulcus
  • VMPFC
  • ACC
  • DLPFC

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